Home / 15,905,030.40-23,869,987.20-7,386,422.40

Finding the Fourth Proportional to 15,905,030.40, 23,869,987.20 and 7,386,422.40

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Solution

The fourth proportional to 15,905,030.40, 23,869,987.20 and 7,386,422.40 is: 11,085,411.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,905,030.40 : 23,869,987.20 = 7,386,422.40 : x
  2. Step 2: Convert to fraction form
    15,905,030.40/23,869,987.20 = 7,386,422.40/x
  3. Step 3: Cross multiply
    15,905,030.40x = 23,869,987.20 × 7,386,422.40
  4. Step 4: Simplify right side
    15,905,030.40x = 176,313,808,141,793.28
  5. Step 5: Solve for x
    x = 176,313,808,141,793.28/15,905,030.40
  6. Step 6: Final answer
    x = 11,085,411.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.